Pollution Control

Q. Pick the odd one out from the following. Hint - Controlling air pollution.

1. Scrubbers
2. Fabric filters
3. Electrostatic precipitators
4. Silencers

Q. Identify the methods used in the primary treatment of water from the following:

1. Screening
2. Sedimentation
3. Flocculation
4. Bioremediation

Q. Pick the odd one out from the following. Hint - Controlling air pollution.

1. Silencers
2. Scrubbers
3. Fabric filters
4. Electrostatic precipitators

Q. Identify the methods used in the primary treatment of water from the following:

1. Screening
2. Sedimentation
3. Flocculation
4. Bioremediation

Q. Industrial waste and effluents discharged into rivers by industries cause water pollution.

1. True
2. False